<p>Fire rescue crews found a gunshot victim when they responded to a house fire south of Orlando.</p><p>A newspaper delivery man called authorities when he saw the flames and spotted the injured man about 4 a.m. Tuesday.</p><p>The Orlando Sentinel reports the delivery man dragged the man to the curb while they waited for Orange County Fire Rescue crews to arrive.</p><p>The home was already fully engulfed in flames when crews arrived. The man was taken to Orlando Regional Medical Center in critical condition.</p><p>Orange County Sheriff's spokesman Spike Hopkins says deputies don't know whether the man lived at the home. Detectives are investigating the shooting.</p><p>Fire rescue spokesman John Mulhall says no other victims were inside the house, but a dog died in the fire.</p>